$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install PHP Composer on Gnu/Linux Distros

GNU/Linux Installing PHP Composer – QuickStart Guide

Hi! This Short Tutorial shows you Step-by-step How to Install PHP Composer on GNU/Linux Distributions.

And Composer for Linux is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.

Because Composer Manages Packages or Libraries on a Per-Project Basis, Installing them in a Directory Inside your Project.

Install PHP Composer Linux - Featured

Linux Composer Installation Guides